1 files changed, 0 insertions, 117 deletions
diff --git a/fitz/filt_flate.c b/fitz/filt_flate.c
deleted file mode 100644
index 73451d59..00000000
--- a/fitz/filt_flate.c
+++ /dev/null
@@ -1,117 +0,0 @@
-#include "mupdf/fitz.h"
-
-#include <zlib.h>
-
-typedef struct fz_flate_s fz_flate;
-
-struct fz_flate_s
-{
-	fz_stream *chain;
-	z_stream z;
-};
-
-static void *zalloc(void *opaque, unsigned int items, unsigned int size)
-{
-	return fz_malloc_array_no_throw(opaque, items, size);
-}
-
-static void zfree(void *opaque, void *ptr)
-{
-	fz_free(opaque, ptr);
-}
-
-static int
-read_flated(fz_stream *stm, unsigned char *outbuf, int outlen)
-{
-	fz_flate *state = stm->state;
-	fz_stream *chain = state->chain;
-	z_streamp zp = &state->z;
-	int code;
-
-	zp->next_out = outbuf;
-	zp->avail_out = outlen;
-
-	while (zp->avail_out > 0)
-	{
-		if (chain->rp == chain->wp)
-			fz_fill_buffer(chain);
-
-		zp->next_in = chain->rp;
-		zp->avail_in = chain->wp - chain->rp;
-
-		code = inflate(zp, Z_SYNC_FLUSH);
-
-		chain->rp = chain->wp - zp->avail_in;
-
-		if (code == Z_STREAM_END)
-		{
-			return outlen - zp->avail_out;
-		}
-		else if (code == Z_BUF_ERROR)
-		{
-			fz_warn(stm->ctx, "premature end of data in flate filter");
-			return outlen - zp->avail_out;
-		}
-		else if (code == Z_DATA_ERROR && zp->avail_in == 0)
-		{
-			fz_warn(stm->ctx, "ignoring zlib error: %s", zp->msg);
-			return outlen - zp->avail_out;
-		}
-		else if (code != Z_OK)
-		{
-			fz_throw(stm->ctx, FZ_ERROR_GENERIC, "zlib error: %s", zp->msg);
-		}
-	}
-
-	return outlen - zp->avail_out;
-}
-
-static void
-close_flated(fz_context *ctx, void *state_)
-{
-	fz_flate *state = (fz_flate *)state_;
-	int code;
-
-	code = inflateEnd(&state->z);
-	if (code != Z_OK)
-		fz_warn(ctx, "zlib error: inflateEnd: %s", state->z.msg);
-
-	fz_close(state->chain);
-	fz_free(ctx, state);
-}
-
-fz_stream *
-fz_open_flated(fz_stream *chain)
-{
-	fz_flate *state = NULL;
-	int code = Z_OK;
-	fz_context *ctx = chain->ctx;
-
-	fz_var(code);
-	fz_var(state);
-
-	fz_try(ctx)
-	{
-		state = fz_malloc_struct(ctx, fz_flate);
-		state->chain = chain;
-
-		state->z.zalloc = zalloc;
-		state->z.zfree = zfree;
-		state->z.opaque = ctx;
-		state->z.next_in = NULL;
-		state->z.avail_in = 0;
-
-		code = inflateInit(&state->z);
-		if (code != Z_OK)
-			fz_throw(ctx, FZ_ERROR_GENERIC, "zlib error: inflateInit: %s", state->z.msg);
-	}
-	fz_catch(ctx)
-	{
-		if (state && code == Z_OK)
-			inflateEnd(&state->z);
-		fz_free(ctx, state);
-		fz_close(chain);
-		fz_rethrow(ctx);
-	}
-	return fz_new_stream(ctx, state, read_flated, close_flated);
-}